631 lines
20 KiB
Go
631 lines
20 KiB
Go
package actionssummerwindnet
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import (
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"context"
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"fmt"
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"net/http"
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"net/http/httptest"
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"time"
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github2 "github.com/actions/actions-runner-controller/github"
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"github.com/google/go-github/v52/github"
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"github.com/actions/actions-runner-controller/github/fake"
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corev1 "k8s.io/api/core/v1"
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"k8s.io/apimachinery/pkg/types"
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"k8s.io/client-go/kubernetes/scheme"
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ctrl "sigs.k8s.io/controller-runtime"
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logf "sigs.k8s.io/controller-runtime/pkg/log"
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. "github.com/onsi/ginkgo/v2"
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. "github.com/onsi/gomega"
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metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
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"sigs.k8s.io/controller-runtime/pkg/client"
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actionsv1alpha1 "github.com/actions/actions-runner-controller/apis/actions.summerwind.net/v1alpha1"
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)
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type testEnvironment struct {
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Namespace *corev1.Namespace
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Responses *fake.FixedResponses
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webhookServer *httptest.Server
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ghClient *github2.Client
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fakeRunnerList *fake.RunnersList
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fakeGithubServer *httptest.Server
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}
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var (
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workflowRunsFor3Replicas = `{"total_count": 5, "workflow_runs":[{"status":"queued"}, {"status":"queued"}, {"status":"in_progress"}, {"status":"in_progress"}, {"status":"completed"}]}"`
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workflowRunsFor3Replicas_queued = `{"total_count": 2, "workflow_runs":[{"status":"queued"}, {"status":"queued"}]}"`
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workflowRunsFor3Replicas_in_progress = `{"total_count": 1, "workflow_runs":[{"status":"in_progress"}]}"`
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)
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// SetupIntegrationTest will set up a testing environment.
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// This includes:
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// * creating a Namespace to be used during the test
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// * starting all the reconcilers
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// * stopping all the reconcilers after the test ends
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// Call this function at the start of each of your tests.
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func SetupIntegrationTest(ctx2 context.Context) *testEnvironment {
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var ctx context.Context
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var cancel func()
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ns := &corev1.Namespace{}
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env := &testEnvironment{
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Namespace: ns,
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webhookServer: nil,
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ghClient: nil,
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}
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BeforeEach(func() {
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ctx, cancel = context.WithCancel(ctx2)
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*ns = corev1.Namespace{
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ObjectMeta: metav1.ObjectMeta{Name: "testns-" + randStringRunes(5)},
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}
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err := k8sClient.Create(ctx, ns)
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Expect(err).NotTo(HaveOccurred(), "failed to create test namespace")
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mgr, err := ctrl.NewManager(cfg, ctrl.Options{
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Namespace: ns.Name,
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MetricsBindAddress: "0",
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})
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Expect(err).NotTo(HaveOccurred(), "failed to create manager")
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responses := &fake.FixedResponses{}
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responses.ListRunners = fake.DefaultListRunnersHandler()
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responses.ListRepositoryWorkflowRuns = &fake.Handler{
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Status: 200,
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Body: workflowRunsFor3Replicas,
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Statuses: map[string]string{
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"queued": workflowRunsFor3Replicas_queued,
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"in_progress": workflowRunsFor3Replicas_in_progress,
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},
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}
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fakeRunnerList := fake.NewRunnersList()
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responses.ListRunners = fakeRunnerList.HandleList()
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fakeGithubServer := fake.NewServer(fake.WithFixedResponses(responses))
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env.Responses = responses
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env.fakeRunnerList = fakeRunnerList
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env.fakeGithubServer = fakeGithubServer
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env.ghClient = newGithubClient(fakeGithubServer)
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controllerName := func(name string) string {
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return fmt.Sprintf("%s%s", ns.Name, name)
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}
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multiClient := NewMultiGitHubClient(mgr.GetClient(), env.ghClient)
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runnerController := &RunnerReconciler{
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Client: mgr.GetClient(),
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Scheme: scheme.Scheme,
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Log: logf.Log,
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Recorder: mgr.GetEventRecorderFor("runnerreplicaset-controller"),
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GitHubClient: multiClient,
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Name: controllerName("runner"),
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RegistrationRecheckInterval: time.Millisecond * 100,
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RegistrationRecheckJitter: time.Millisecond * 10,
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UnregistrationRetryDelay: 1 * time.Second,
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RunnerPodDefaults: RunnerPodDefaults{
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RunnerImage: "example/runner:test",
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DockerImage: "example/docker:test",
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},
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}
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err = runnerController.SetupWithManager(mgr)
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Expect(err).NotTo(HaveOccurred(), "failed to setup runner controller")
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replicasetController := &RunnerReplicaSetReconciler{
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Client: mgr.GetClient(),
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Scheme: scheme.Scheme,
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Log: logf.Log,
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Recorder: mgr.GetEventRecorderFor("runnerreplicaset-controller"),
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Name: controllerName("runnerreplicaset"),
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}
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err = replicasetController.SetupWithManager(mgr)
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Expect(err).NotTo(HaveOccurred(), "failed to setup runnerreplicaset controller")
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deploymentsController := &RunnerDeploymentReconciler{
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Client: mgr.GetClient(),
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Scheme: scheme.Scheme,
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Log: logf.Log,
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Recorder: mgr.GetEventRecorderFor("runnerdeployment-controller"),
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Name: controllerName("runnnerdeployment"),
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}
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err = deploymentsController.SetupWithManager(mgr)
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Expect(err).NotTo(HaveOccurred(), "failed to setup runnerdeployment controller")
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autoscalerController := &HorizontalRunnerAutoscalerReconciler{
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Client: mgr.GetClient(),
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Scheme: scheme.Scheme,
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Log: logf.Log,
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GitHubClient: multiClient,
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Recorder: mgr.GetEventRecorderFor("horizontalrunnerautoscaler-controller"),
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Name: controllerName("horizontalrunnerautoscaler"),
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}
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err = autoscalerController.SetupWithManager(mgr)
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Expect(err).NotTo(HaveOccurred(), "failed to setup autoscaler controller")
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autoscalerWebhook := &HorizontalRunnerAutoscalerGitHubWebhook{
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Client: mgr.GetClient(),
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Scheme: scheme.Scheme,
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Log: logf.Log,
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Recorder: mgr.GetEventRecorderFor("horizontalrunnerautoscaler-controller"),
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Name: controllerName("horizontalrunnerautoscalergithubwebhook"),
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Namespace: ns.Name,
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}
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err = autoscalerWebhook.SetupWithManager(mgr)
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Expect(err).NotTo(HaveOccurred(), "failed to setup autoscaler webhook")
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mux := http.NewServeMux()
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mux.HandleFunc("/", autoscalerWebhook.Handle)
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env.webhookServer = httptest.NewServer(mux)
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go func() {
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defer GinkgoRecover()
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err := mgr.Start(ctx)
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Expect(err).NotTo(HaveOccurred(), "failed to start manager")
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}()
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})
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AfterEach(func() {
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defer cancel()
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env.fakeGithubServer.Close()
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env.webhookServer.Close()
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err := k8sClient.Delete(ctx, ns)
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Expect(err).NotTo(HaveOccurred(), "failed to delete test namespace")
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})
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return env
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}
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var _ = Context("INTEGRATION: Inside of a new namespace", func() {
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ctx := context.TODO()
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env := SetupIntegrationTest(ctx)
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ns := env.Namespace
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Describe("when no existing resources exist", func() {
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It("should create and scale organization's repository runners on workflow_job event", func() {
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name := "example-runnerdeploy"
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{
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rd := &actionsv1alpha1.RunnerDeployment{
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ObjectMeta: metav1.ObjectMeta{
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Name: name,
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Namespace: ns.Name,
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},
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Spec: actionsv1alpha1.RunnerDeploymentSpec{
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Replicas: intPtr(1),
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Selector: &metav1.LabelSelector{
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MatchLabels: map[string]string{
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"foo": "bar",
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},
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},
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Template: actionsv1alpha1.RunnerTemplate{
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ObjectMeta: metav1.ObjectMeta{
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Labels: map[string]string{
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"foo": "bar",
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},
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},
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Spec: actionsv1alpha1.RunnerSpec{
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RunnerConfig: actionsv1alpha1.RunnerConfig{
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Repository: "test/valid",
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Image: "bar",
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Group: "baz",
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},
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RunnerPodSpec: actionsv1alpha1.RunnerPodSpec{
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Env: []corev1.EnvVar{
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{Name: "FOO", Value: "FOOVALUE"},
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},
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},
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},
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},
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},
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}
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ExpectCreate(ctx, rd, "test RunnerDeployment")
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ExpectRunnerSetsCountEventuallyEquals(ctx, ns.Name, 1)
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ExpectRunnerSetsManagedReplicasCountEventuallyEquals(ctx, ns.Name, 1)
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env.ExpectRegisteredNumberCountEventuallyEquals(1, "count of fake list runners")
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}
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// Scale-up to 1 replica via ScaleUpTriggers.GitHubEvent.WorkflowJob based scaling
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{
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hra := &actionsv1alpha1.HorizontalRunnerAutoscaler{
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ObjectMeta: metav1.ObjectMeta{
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Name: name,
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Namespace: ns.Name,
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},
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Spec: actionsv1alpha1.HorizontalRunnerAutoscalerSpec{
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ScaleTargetRef: actionsv1alpha1.ScaleTargetRef{
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Name: name,
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},
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MinReplicas: intPtr(1),
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MaxReplicas: intPtr(5),
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ScaleDownDelaySecondsAfterScaleUp: intPtr(1),
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ScaleUpTriggers: []actionsv1alpha1.ScaleUpTrigger{
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{
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GitHubEvent: &actionsv1alpha1.GitHubEventScaleUpTriggerSpec{
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WorkflowJob: &actionsv1alpha1.WorkflowJobSpec{},
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},
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Amount: 1,
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Duration: metav1.Duration{Duration: time.Minute},
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},
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},
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},
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}
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ExpectCreate(ctx, hra, "test HorizontalRunnerAutoscaler")
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ExpectRunnerSetsCountEventuallyEquals(ctx, ns.Name, 1)
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ExpectRunnerSetsManagedReplicasCountEventuallyEquals(ctx, ns.Name, 1)
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env.ExpectRegisteredNumberCountEventuallyEquals(1, "count of fake list runners")
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}
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// Scale-up to 2 replicas on first workflow_job.queued webhook event
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{
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env.SendWorkflowJobEvent("test", "valid", "queued", []string{"self-hosted"}, int64(1234), int64(4321))
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ExpectRunnerSetsManagedReplicasCountEventuallyEquals(ctx, ns.Name, 2, "runners after first webhook event")
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env.ExpectRegisteredNumberCountEventuallyEquals(2, "count of fake list runners")
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}
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// Scale-up to 3 replicas on second workflow_job.queued webhook event
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{
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env.SendWorkflowJobEvent("test", "valid", "queued", []string{"self-hosted"}, int64(1234), int64(4321))
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ExpectRunnerSetsManagedReplicasCountEventuallyEquals(ctx, ns.Name, 3, "runners after second webhook event")
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env.ExpectRegisteredNumberCountEventuallyEquals(3, "count of fake list runners")
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}
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// Do not scale-up on third workflow_job.queued webhook event
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// repo "example" doesn't match our Spec
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{
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env.SendWorkflowJobEvent("test", "example", "queued", []string{"self-hosted"}, int64(1234), int64(4321))
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ExpectRunnerSetsManagedReplicasCountEventuallyEquals(ctx, ns.Name, 3, "runners after third webhook event")
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env.ExpectRegisteredNumberCountEventuallyEquals(3, "count of fake list runners")
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}
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})
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It("should be able to scale visible organization runner group with default labels", func() {
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name := "example-runnerdeploy"
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{
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rd := &actionsv1alpha1.RunnerDeployment{
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ObjectMeta: metav1.ObjectMeta{
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Name: name,
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Namespace: ns.Name,
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},
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Spec: actionsv1alpha1.RunnerDeploymentSpec{
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Replicas: intPtr(1),
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Selector: &metav1.LabelSelector{
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MatchLabels: map[string]string{
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"foo": "bar",
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},
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},
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Template: actionsv1alpha1.RunnerTemplate{
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ObjectMeta: metav1.ObjectMeta{
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Labels: map[string]string{
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"foo": "bar",
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},
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},
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Spec: actionsv1alpha1.RunnerSpec{
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RunnerConfig: actionsv1alpha1.RunnerConfig{
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Repository: "test/valid",
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Image: "bar",
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Group: "baz",
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},
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RunnerPodSpec: actionsv1alpha1.RunnerPodSpec{
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Env: []corev1.EnvVar{
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{Name: "FOO", Value: "FOOVALUE"},
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},
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},
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},
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},
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},
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}
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ExpectCreate(ctx, rd, "test RunnerDeployment")
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hra := &actionsv1alpha1.HorizontalRunnerAutoscaler{
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ObjectMeta: metav1.ObjectMeta{
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Name: name,
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Namespace: ns.Name,
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},
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Spec: actionsv1alpha1.HorizontalRunnerAutoscalerSpec{
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ScaleTargetRef: actionsv1alpha1.ScaleTargetRef{
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Name: name,
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},
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MinReplicas: intPtr(1),
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MaxReplicas: intPtr(5),
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ScaleDownDelaySecondsAfterScaleUp: intPtr(1),
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ScaleUpTriggers: []actionsv1alpha1.ScaleUpTrigger{
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{
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GitHubEvent: &actionsv1alpha1.GitHubEventScaleUpTriggerSpec{
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WorkflowJob: &actionsv1alpha1.WorkflowJobSpec{},
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},
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Amount: 1,
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Duration: metav1.Duration{Duration: time.Minute},
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},
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},
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},
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}
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ExpectCreate(ctx, hra, "test HorizontalRunnerAutoscaler")
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ExpectRunnerSetsCountEventuallyEquals(ctx, ns.Name, 1)
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ExpectRunnerSetsManagedReplicasCountEventuallyEquals(ctx, ns.Name, 1)
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}
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{
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env.ExpectRegisteredNumberCountEventuallyEquals(1, "count of fake list runners")
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}
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// Scale-up to 2 replicas on first workflow_job webhook event
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{
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env.SendWorkflowJobEvent("test", "valid", "queued", []string{"self-hosted"}, int64(1234), int64(4321))
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ExpectRunnerSetsCountEventuallyEquals(ctx, ns.Name, 1, "runner sets after webhook")
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ExpectRunnerSetsManagedReplicasCountEventuallyEquals(ctx, ns.Name, 2, "runners after first webhook event")
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env.ExpectRegisteredNumberCountEventuallyEquals(2, "count of fake list runners")
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}
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})
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It("should be able to scale visible organization runner group with custom labels", func() {
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name := "example-runnerdeploy"
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{
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rd := &actionsv1alpha1.RunnerDeployment{
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ObjectMeta: metav1.ObjectMeta{
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Name: name,
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Namespace: ns.Name,
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},
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Spec: actionsv1alpha1.RunnerDeploymentSpec{
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Replicas: intPtr(1),
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Selector: &metav1.LabelSelector{
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MatchLabels: map[string]string{
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"foo": "bar",
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},
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},
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Template: actionsv1alpha1.RunnerTemplate{
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ObjectMeta: metav1.ObjectMeta{
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Labels: map[string]string{
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"foo": "bar",
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},
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},
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Spec: actionsv1alpha1.RunnerSpec{
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RunnerConfig: actionsv1alpha1.RunnerConfig{
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Repository: "test/valid",
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Image: "bar",
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Group: "baz",
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Labels: []string{"custom-label"},
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},
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RunnerPodSpec: actionsv1alpha1.RunnerPodSpec{
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Env: []corev1.EnvVar{
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{Name: "FOO", Value: "FOOVALUE"},
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},
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},
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},
|
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},
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},
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}
|
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ExpectCreate(ctx, rd, "test RunnerDeployment")
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hra := &actionsv1alpha1.HorizontalRunnerAutoscaler{
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ObjectMeta: metav1.ObjectMeta{
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Name: name,
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Namespace: ns.Name,
|
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},
|
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Spec: actionsv1alpha1.HorizontalRunnerAutoscalerSpec{
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ScaleTargetRef: actionsv1alpha1.ScaleTargetRef{
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Name: name,
|
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},
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MinReplicas: intPtr(1),
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MaxReplicas: intPtr(5),
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ScaleDownDelaySecondsAfterScaleUp: intPtr(1),
|
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ScaleUpTriggers: []actionsv1alpha1.ScaleUpTrigger{
|
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{
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GitHubEvent: &actionsv1alpha1.GitHubEventScaleUpTriggerSpec{
|
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WorkflowJob: &actionsv1alpha1.WorkflowJobSpec{},
|
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},
|
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Amount: 1,
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Duration: metav1.Duration{Duration: time.Minute},
|
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},
|
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},
|
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},
|
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}
|
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|
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ExpectCreate(ctx, hra, "test HorizontalRunnerAutoscaler")
|
|
|
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ExpectRunnerSetsCountEventuallyEquals(ctx, ns.Name, 1)
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ExpectRunnerSetsManagedReplicasCountEventuallyEquals(ctx, ns.Name, 1)
|
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}
|
|
|
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{
|
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env.ExpectRegisteredNumberCountEventuallyEquals(1, "count of fake list runners")
|
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}
|
|
|
|
// Scale-up to 2 replicas on first workflow_job webhook event
|
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{
|
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env.SendWorkflowJobEvent("test", "valid", "queued", []string{"custom-label"}, int64(1234), int64(4321))
|
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ExpectRunnerSetsCountEventuallyEquals(ctx, ns.Name, 1, "runner sets after webhook")
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ExpectRunnerSetsManagedReplicasCountEventuallyEquals(ctx, ns.Name, 2, "runners after first webhook event")
|
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env.ExpectRegisteredNumberCountEventuallyEquals(2, "count of fake list runners")
|
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}
|
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})
|
|
})
|
|
})
|
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|
|
func ExpectHRADesiredReplicasEquals(ctx context.Context, ns, name string, desired int, optionalDescriptions ...interface{}) {
|
|
var rd actionsv1alpha1.HorizontalRunnerAutoscaler
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|
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err := k8sClient.Get(ctx, types.NamespacedName{Namespace: ns, Name: name}, &rd)
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|
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ExpectWithOffset(1, err).NotTo(HaveOccurred(), "failed to get test HRA resource")
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replicas := rd.Status.DesiredReplicas
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ExpectWithOffset(1, *replicas).To(Equal(desired), optionalDescriptions...)
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}
|
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|
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func (env *testEnvironment) ExpectRegisteredNumberCountEventuallyEquals(want int, optionalDescriptions ...interface{}) {
|
|
EventuallyWithOffset(
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1,
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func() int {
|
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env.SyncRunnerRegistrations()
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|
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rs, err := env.ghClient.ListRunners(context.Background(), "", "", "test/valid")
|
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Expect(err).NotTo(HaveOccurred(), "verifying list fake runners response")
|
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|
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return len(rs)
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},
|
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time.Second*10, time.Millisecond*500).Should(Equal(want), optionalDescriptions...)
|
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}
|
|
|
|
func (env *testEnvironment) SendWorkflowJobEvent(org, repo, statusAndAction string, labels []string, runID int64, ID int64) {
|
|
resp, err := sendWebhook(env.webhookServer, "workflow_job", &github.WorkflowJobEvent{
|
|
WorkflowJob: &github.WorkflowJob{
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ID: &ID,
|
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RunID: &runID,
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Status: &statusAndAction,
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Labels: labels,
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},
|
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Org: &github.Organization{
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Login: github.String(org),
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},
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Repo: &github.Repository{
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Name: github.String(repo),
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Owner: &github.User{
|
|
Login: github.String(org),
|
|
Type: github.String("Organization"),
|
|
},
|
|
},
|
|
Action: github.String(statusAndAction),
|
|
})
|
|
|
|
ExpectWithOffset(1, err).NotTo(HaveOccurred(), "failed to send workflow_job event")
|
|
|
|
ExpectWithOffset(1, resp.StatusCode).To(Equal(200))
|
|
}
|
|
|
|
func (env *testEnvironment) SyncRunnerRegistrations() {
|
|
var runnerList actionsv1alpha1.RunnerList
|
|
|
|
err := k8sClient.List(context.TODO(), &runnerList, client.InNamespace(env.Namespace.Name))
|
|
if err != nil {
|
|
logf.Log.Error(err, "list runners")
|
|
}
|
|
|
|
env.fakeRunnerList.Sync(runnerList.Items)
|
|
}
|
|
|
|
func ExpectCreate(ctx context.Context, rd client.Object, s string) {
|
|
err := k8sClient.Create(ctx, rd)
|
|
|
|
ExpectWithOffset(1, err).NotTo(HaveOccurred(), fmt.Sprintf("failed to create %s resource", s))
|
|
}
|
|
|
|
func ExpectRunnerDeploymentEventuallyUpdates(ctx context.Context, ns string, name string, f func(rd *actionsv1alpha1.RunnerDeployment)) {
|
|
// We wrap the update in the Eventually block to avoid the below error that occurs due to concurrent modification
|
|
// made by the controller to update .Status.AvailableReplicas and .Status.ReadyReplicas
|
|
// Operation cannot be fulfilled on runnersets.actions.summerwind.dev "example-runnerset": the object has been modified; please apply your changes to the latest version and try again
|
|
EventuallyWithOffset(
|
|
1,
|
|
func() error {
|
|
var rd actionsv1alpha1.RunnerDeployment
|
|
|
|
err := k8sClient.Get(ctx, types.NamespacedName{Namespace: ns, Name: name}, &rd)
|
|
|
|
Expect(err).NotTo(HaveOccurred(), "failed to get test RunnerDeployment resource")
|
|
|
|
f(&rd)
|
|
|
|
return k8sClient.Update(ctx, &rd)
|
|
},
|
|
time.Second*1, time.Millisecond*500).Should(BeNil())
|
|
}
|
|
|
|
func ExpectRunnerSetsCountEventuallyEquals(ctx context.Context, ns string, count int, optionalDescription ...interface{}) {
|
|
runnerSets := actionsv1alpha1.RunnerReplicaSetList{Items: []actionsv1alpha1.RunnerReplicaSet{}}
|
|
|
|
EventuallyWithOffset(
|
|
1,
|
|
func() int {
|
|
err := k8sClient.List(ctx, &runnerSets, client.InNamespace(ns))
|
|
if err != nil {
|
|
logf.Log.Error(err, "list runner sets")
|
|
}
|
|
|
|
return len(runnerSets.Items)
|
|
},
|
|
time.Second*10, time.Millisecond*500).Should(BeEquivalentTo(count), optionalDescription...)
|
|
}
|
|
|
|
func ExpectRunnerCountEventuallyEquals(ctx context.Context, ns string, count int, optionalDescription ...interface{}) {
|
|
runners := actionsv1alpha1.RunnerList{Items: []actionsv1alpha1.Runner{}}
|
|
|
|
EventuallyWithOffset(
|
|
1,
|
|
func() int {
|
|
err := k8sClient.List(ctx, &runners, client.InNamespace(ns))
|
|
if err != nil {
|
|
logf.Log.Error(err, "list runner sets")
|
|
}
|
|
|
|
var running int
|
|
|
|
for _, r := range runners.Items {
|
|
if r.Status.Phase == string(corev1.PodRunning) {
|
|
running++
|
|
} else {
|
|
var pod corev1.Pod
|
|
if err := k8sClient.Get(ctx, types.NamespacedName{Namespace: ns, Name: r.Name}, &pod); err != nil {
|
|
logf.Log.Error(err, "simulating pod controller")
|
|
continue
|
|
}
|
|
|
|
copy := pod.DeepCopy()
|
|
copy.Status.Phase = corev1.PodRunning
|
|
|
|
if err := k8sClient.Status().Patch(ctx, copy, client.MergeFrom(&pod)); err != nil {
|
|
logf.Log.Error(err, "simulating pod controller")
|
|
continue
|
|
}
|
|
}
|
|
}
|
|
|
|
return running
|
|
},
|
|
time.Second*10, time.Millisecond*500).Should(BeEquivalentTo(count), optionalDescription...)
|
|
}
|
|
|
|
func ExpectRunnerSetsManagedReplicasCountEventuallyEquals(ctx context.Context, ns string, count int, optionalDescription ...interface{}) {
|
|
runnerSets := actionsv1alpha1.RunnerReplicaSetList{Items: []actionsv1alpha1.RunnerReplicaSet{}}
|
|
|
|
EventuallyWithOffset(
|
|
1,
|
|
func() int {
|
|
err := k8sClient.List(ctx, &runnerSets, client.InNamespace(ns))
|
|
if err != nil {
|
|
logf.Log.Error(err, "list runner sets")
|
|
}
|
|
|
|
if len(runnerSets.Items) == 0 {
|
|
logf.Log.Info("No runnerreplicasets exist yet")
|
|
return -1
|
|
}
|
|
|
|
if len(runnerSets.Items) != 1 {
|
|
logf.Log.Info("Too many runnerreplicasets exist", "runnerSets", runnerSets)
|
|
return -1
|
|
}
|
|
|
|
return *runnerSets.Items[0].Spec.Replicas
|
|
},
|
|
time.Second*5, time.Millisecond*500).Should(BeEquivalentTo(count), optionalDescription...)
|
|
}
|